What Is a Casing Shoe?

Casing shoes: The upper end is connected to the casing, and the lower end has a special chamfer with an internal chamfer and a thread or other connection with the lead shoe. Floating shoes: A device that integrates boots, casing shoes and valve body.

Casing shoes

Right!

Casing shoes: The upper end is connected to the casing, and the lower end has a special chamfer with an internal chamfer and a thread or other connection with the lead shoe. Floating shoes: A device that integrates boots, casing shoes and valve body.

Chinese name

Casing shoes

Upper end

Connected with casing

Lower end

The inner chamfer is connected with the boot by the thread.

Floating shoes

Device for making guide shoe tube shoe and valve body into one body

Function

Avoid mud from the well wall entering the casing.

Alias

Guide shoes

It is actually a one-way valve, but the lower part is made into a circular plug to guide the casing into the well.

effect:

Avoid the mud in the well wall from entering the casing. There is also a guiding role, so there is also a name called lead shoes.